在下面对话的空白处填入适当的话语（话语可以是句子，短语或词），使对话完整。（共10分，每空2分）

A：Hello, Betty. The examination is over. What are you going to do tomorrow?

B：I’m not sure. 小题1:                     ?

A：I want to go to the Science Museum.

B：Why do you want to go there?

A：小题2:                          .

B：That sounds interesting.

A：小题3:                              ?

B：Yes, I’d love to.

A：Great! I’m sure we’ll have a great time.

B：小题4:              ? I want to take some photos.

A：I’m afraid you can’t. We are not allowed to take photos inside the museum.

B：Got it. Oh, 小题5:            ?

A：At the gate of the museum . Be sure to get there before 9 o’clock.

B：OK. See you then.

早期妊娠的确诊依据是

A．停经史

B．早孕反应

C．尿妊娠试验

D．黑加征

E．B型超声检查